Electric ice cube



FIG. 1 is a perspective view of an electric ice cube, showing the new design;

FIG. 2 is a bottom perspective cross-sectional view thereof, taken generally along lines 2-2 of FIG. 8;

FIG. 3 is a bottom perspective cross-sectional view thereof, taken generally along lines 3-3 of FIG. 8;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left-side elevational view thereof;

FIG. 7 is a right-side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines showing an electric circuit, LED and battery in FIG. 1 depict environmental matter, and form no part of the claimed design. The shading pattern on the inside surface of the design represents a frosted, translucent surface texture. 

I claim the ornamental design for an electric ice cube, as shown and described. 